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48309449 is a prime number
BaseRepresentation
bin1011100001001…
…0010011001001
310100220101002212
42320102103021
544331400244
64443234505
71124423606
oct270222311
9110811085
1048309449
11252a6671
1214218a35
13a015a96
1465b76ad
154393d9e
hex2e124c9

48309449 has 2 divisors, whose sum is σ = 48309450. Its totient is φ = 48309448.

The previous prime is 48309433. The next prime is 48309463. The reversal of 48309449 is 94490384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42159049 + 6150400 = 6493^2 + 2480^2 .

It is a cyclic number.

It is not a de Polignac number, because 48309449 - 24 = 48309433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48309409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24154724 + 24154725.

It is an arithmetic number, because the mean of its divisors is an integer number (24154725).

Almost surely, 248309449 is an apocalyptic number.

It is an amenable number.

48309449 is a deficient number, since it is larger than the sum of its proper divisors (1).

48309449 is an equidigital number, since it uses as much as digits as its factorization.

48309449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 48309449 is about 6950.4999100784. The cubic root of 48309449 is about 364.2034270263.

The spelling of 48309449 in words is "forty-eight million, three hundred nine thousand, four hundred forty-nine".